Solenoid Troubleshooting Guide
Manual 36541
10
Woodward
Part Number Descriptor
Below is an explanation of a part number descriptor found on a typical solenoid.
Example: Part Number 12A2U1B1S1A
Reading from left to right:
12 Indicates volts: a solenoid can be 12 Vdc or 24 Vdc
A indicates the mounting style
A = Flanged
B = Threaded
C = Based
2 Indicates plunger type
2 = Ext. Thread 1/4-28
3 = Ext. Thread M-6
6 = Int. Thread 1/4-28
7 = Int. Thread M-6
U Indicates grounding
G = Grounded
U = Ungrounded
1 Indicates termination type
1 = Screw
2 = Spade
C = Connector
L = 3 Wire Leads
B1 Indicates boot type
B1 = Constant Volume
B2 = Bellows
S1 Indicates return spring forces
Consult the factory for ratings
A Indicates special options
A = Aux Terminal
C = Conduct Cover
CC = Coil Commander
Consult the factory for additional information or explanation.
